Home / 8,885.84-13,321.56-3,695.60

Finding the Fourth Proportional to 8,885.84, 13,321.56 and 3,695.60

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Solution

The fourth proportional to 8,885.84, 13,321.56 and 3,695.60 is: 5,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.84 : 13,321.56 = 3,695.60 : x
  2. Step 2: Convert to fraction form
    8,885.84/13,321.56 = 3,695.60/x
  3. Step 3: Cross multiply
    8,885.84x = 13,321.56 × 3,695.60
  4. Step 4: Simplify right side
    8,885.84x = 49,231,157.14
  5. Step 5: Solve for x
    x = 49,231,157.14/8,885.84
  6. Step 6: Final answer
    x = 5,540.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.